icon Kapiti gaigakaunta

ex datasheet

icon forth

22 March 2011
5pm: I've built a better regulator in an effort to remove some of the instability. It's an LM317 set to 23.8V and it seems to work. I replaced R2, the 5kΩ variable resistor, with a 3.90kΩ metal film resistor and a 1kΩ 10 turn sealed cermet trimmer which seem to do quite nicely.
marek
Marek Dolleiser of The University of Sydney has made some very well regarded software for spectrographic analysis using scintillation detectors. Pulse Recorder and Analyser, PRA, works with a sound card.
This means I don't need to make more electronics, though making PRA find the sound card under wine will have to wait until after some sleep.
light seen As if.
Removing a ~/.wine dated 2006 brought it to life !

icon index

icontwin peaks - highest levels yet
2 Dec 2012
iconlatest - most recent data here
29Jun2017 10:28
iconreview - up to date
26 May 2012
iconAm241 v2.0 - smoke alarm redux: hot
28 April 2011
iconAm241 - smoke alarm false start
22 April 2011
iconbias - increased voltage from 478 to 725V
21 April 2011
iconprejudice - snapshot of record before voltage increase
21 April 2011
iconperspective - tritium in local waterways
21 April 2011
iconspectra - gallery of spectra 30Mar-17Apr
17 April 2011
iconfall - southerlies eat radiation
5 April 2011
icontop model - Norwegian atmospheric projector
5 April 2011
iconrain - it's hot up north
27 March 2011
iconbulk bins - fiddling with PRA
25 March 2011
iconlinks
24 March 2011
iconproduction - just another plot of background
24 March 2011
icondimension++ - first 10½ hour run
23 March 2011
iconforth - a better regulator, discovering PRA
22 March 2011
iconthe third day - looking at pulses
21 March 2011
icontutu - rock is cold
20 March 2011
iconguff - te ahi kaa
19 March 2011